Block-mold.



W. L. CUTLER.

BLOCK MOLD. APPLICATION FAILED. DVEC.27. i915.

Patented Dec. 12, 1916.

man san an ramon,

WILLIS L. CUTLER, 0F LEGRAND, IOWA, ASSIGNOE OF CNE-HALF T0 FRANK R. ENSIVIINGEBI, 0F GILMAN, IWA.

BLOCK-MOLD.

Specification of Letters Patent.

Patented Dec. 12, 1918.

Application filed. December 27, 1915. Serial No. 68,846.

T 0 all whom t may concern.'

Be it known that I, VILLrs L. CUTLER, a citizen of the UnitedStates, and resident of Legrand, in the county of Marshall and State of lowa, have invented a certain new and useful Block-Mold, of which the following is a specification.

The object of my invention is to provide a concrete block mold of simple, durable and inexpensive construction.

A further object is to provide such a mold which is especially adapted for use in making poured or slush concrete blocks of the type making a wall with a continuous air space.

A further object is to provide such a mold adapted to make blocks comprised of two bodies spaced from each other and connected by suitable reinforcing means.

A. further object is to provide such a mold adapted to make a block of the kind mentioned, and for placing reinforcing in said blocks in a new and novel way for securing maximum strength to the block.

My invention consists in the construction, arrangement and combination of the various parts of the device whereby the objects contemplated are attained as hereinafter more fully set forth, pointed out in my claims and illustrated in the accompanying drawings, in which:

Figure 1 shows a top or plan view of the outer part of my improved mold. Fig. 2 shows an end elevation of the same. Fig. 3 shows an end elevation of the inner mold members, illustrating the method of applying the connecting clip. Fig. L shows a front elevation of one of the inner mold members, taken on the line 4-4 of Fig. 3. Fig. 5 shows a top or plan view of the two inner mold members placed together. Fig. 6 shows a top or plan view of the connecting clip. Fig. 7 shows a vertical, transverse, sectional view through the completed mold.

Fig. 8 shows an end elevation of a tool used in connection with the mold. Fig. 9 shows a vertical sectional view through a mold having slightly modified forms of the inner mold member. Fig. 10 shows a top 0r plan view of the same.

In the accompanying drawings, I have shown an outer mold member or boX comprising the upright side members which are indicated by the reference numeral 10, and a bottom member 11. The outer mold mem- Y which is smoothed off with a tool 15, shown in Fig. 8, so that the upper' surface of the concrete le is inclined from its central longitudinal line downwardly and outwardly, as illustrated in Fig. 7. l then place above the block portion formed by the concrete 14, the two inner mold members, which will now be described.

Each of the inner mold members comprises an inner upright member 17, a portion 18 extending downwardly and outwardly therefrom, from the lower edge thereof, a portion 19 extending upwardly and outwardly from the upper edge thereof, and a portion 20 extending inwardly and upwardly from the outer end of the portion 18 forming a support foi` the portion 19. The portions 18 are laid upon the inclined upper portions of the blockAformed from the concrete lil, and the members 17 are placed adjacent to each other, as clearly illustrated in Figs. 3 and 7.

The portions 17, 18 and 19 are provided with slots 21, as shown in Fig. 5. rlLhe slots 21 of one of the inner mold members are preferably arranged opposite the slots 21 of the other inner mold member. The slots 21 are so arranged that vertical reinforcing rods or wires 22 may be dropped downwardly between the inner mold members and then shoved laterally into the slush cement to their upright position at the outer ends of the slots 21, as illustrated in Fig. 7, whereby the blocks are provided with vertical reinforcing members. The members 19 and 17 of each inner mold member are provided with slots 23, as shown in Figs. 5 and 4L. The slots 23 of one inner mold member do not register with the slots 23 of the other mold member but are arranged adjacent thereto. The portions 18 of each inner mold member are provided with slots 24 which are arranged the same distance from the ends of the inner mold members as the Vslots 2S of the other inner mold member,.so that vthe slots 2S of one inner mold member and slots 24 of the other inner mold member` receive a rod or wire 25, inclined from its upperV end downwardly andflaterally, as

YVthe Vinner mold members are placed in position, their portions 17 are locked together by spring clip devices 27, as shownin Fig. 6.' 'Ihe spring clips 27 comprise substantially U-shaped members havingat the free ends of .their 'arms inwardly extendingportions adaptedto frictionally grip between them the adjacent walls ofl two of the cores. After one oppositepair of theinner mold members yhas been installed at one end of the'inold block, one ofthe partition members 13*L is placed in positionadjacent to the Vends of the inner mold members, 'and the next pair `of-'inner mold members are installed., J'After the blocks have-been set-in the mold box, the entire moldboxis turned over Vand'lifted `upwardly away from ythe block. 'Ihekmembers 13 and 13a may then `be withdrawn and the inner mold members pulledV laterally from the box, leaving the reinforcing members in position, 1n the completed block`- It ywill readilyV be seen that when a box of the kind hereininentioned of simplefcon- Y struction, is employed, blocks of different lengths may be very easily made'by varying the length of the inner mold members.-

One of the advantages of my improved moldfwhich I consider of unusual importance lies in its 'adaptability forV makingslushlor poured concrete blocks. Another o f its important lfactors lies in the arrangement 'ofthe inner mold members, and particularlyV of the slotsV therein, whereby the reinforcingrods 22V arefplaced in position extendingdirectly acrossY from block to block, and in the arrangement ofthe slots 23 and 24, whereby the inclined reinforcing f blocks25 areplacedin position affording a connection of greater-strengthcompared to the reinforcing of a two-part block Yconnected by themembers'22`only. `It will readily be seentliat any direct pull of the portion 14 away from theV portionv 26 will be Aresisted Vnotjonly-by'thje members 22 with their full tensile strength, but also bythe members 25 with their bending strength. On .the other hand a tendency to pull one member 26, for instance, laterally with relation to the member 14, will be resisted by the bending strength of the portion 2G, and by the tensile strength of `the members 25. To so po- Y sition thereinforcing members as to place them in the positions described is believed tobe a very important feature of my improved mold.

Y In Figs. 9 and 10 I have shown a slightly modified form of my mold. rIlhe outer mold box 10 is the same as hereinbefore described, but the inner mold-members are made and arranged somewhat differently. The inner mold members are of the same shape as those heretofore described, with the exception that the members 20 are extended from the membersf18 across the members 19, as illustrated in Fig. 9. The inner mold members are arranged in the box 10 with the member 20 of one of the inner mold members resting on the bottom `of the box 10 along the central longitudinal line, and with the other inner mold member resting smaller end downwardly, on the first inner mold member. The reinforcing members are inserted in the inner mold members in the same way.

I have usedthe referencev numeral 2Ou to indicate the modified member of the inner molds.; 7|Ihe ends of the members 20 are provided with. notches 20b to receive inwardly. projectingwtongues 20c formed on the slightly modified form of end` member 13. The tongues 2()c received in the notches 20" prevent lateral movement of the'inner mold member,.and when `thefinner molds are installed Vas shown in Figs. 9 andlO, the box on either'side` of the inner mold is simply filled with slush cement and the block completed.

It is understood that some changes may be made in the construction and arrangement .of theparts ofiny improved mold, without .departing from its essential features and purposes, and itis my intent to cover by this application any such changes which maybe included within the scope of my claims.

I4 claim as my invention:

1.1. In a device of the class described, the combination of a mold box with a core member comprising an upperwall inclined from the side of the mold box downwardly and inwardly, a central, vertical wall, a lower wallv inclined from said central kwall downwardly and outwardly, and an upwardly and inwardly inclined brace member.`

2.5In a;device ofthe class described, the combination of a mold box `with a core membercomprising an` upper wall inclined from the-side of the mold box downwardly and inwardly, a vertical wall, a lower wall inclined. from said vertical wall downwardly and outwardly, an upwardly and inwardly inclined brace member, said core member being provided with registering slots in the upper and the Vertical wall members and in the lower and the vertical wall members.

3. In a device of the class described, the

5 combination of a mold box with a pair of cores each comprising an upper wall extending from the side of the mold box inwardly to the center of the mold box, a Vertical wall, and a lower wall extending from the l0 lower edge of said Vertical wall laterally to the side of the mold box, the vertical walls of said mold members being arranged adj acent to each other, and clips for securing the ends of said Vertical walls together.

Des Moines7 Iowa, August 16, 1915.

WILLIS L. CUTLER. Witnesses:

A. SHERMAN, J. MAHER.

@epilee of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

